Anatomy of the Nose and Nasal Cavity Quiz

What is the most superior part of the respiratory tract?

• Trachea

• Bronchi

• Nasal cavity

• Larynx

Which muscle is responsible for flaring the nostrils?

• Procerus

• Nasalis

• Orbicularis oculi

• Levator labii superioris

Which sinus does not drain through the lateral walls of the nasal cavity?

• Sphenoid sinus

• Ethmoid sinus

• Maxillary sinus

• Frontal sinus

What is the primary function of the olfactory region in the nasal cavity?

• Humidifying air

• Supporting immune defense

• Detecting smells

• Filtering pathogens

Which artery is a branch of the internal carotid artery that supplies the nasal cavity?

• Angular artery

• Maxillary artery

• Ophthalmic artery

• Facial artery

Which nerve provides general sensory innervation to the septum and lateral walls of the nasal cavity?

• Trigeminal nerve

• Nasopalatine nerve

• Facial nerve

• Olfactory nerve

Which artery supplies blood to the septum and alar cartilages?

• Maxillary artery

• Angular artery

• Ophthalmic artery

• Spheno-palatine artery

What is the role of the nasolacrimal duct?

• Drains tears from the eye

• Equalizes ear pressure

• Humidifies inspired air

• Supports immune defense

What is the medical term for a nosebleed?

• Rhinitis

• Epistaxis

• Sinusitis

• Rhinorrhea

Which structure connects the nasal cavity to the middle ear?

• Incisive canal

• Eustachian tube

• Nasolacrimal duct

• Spheno-palatine foramen